Thank you Alban and Francisco -
On Sat, Mar 11, 2017 at 11:52 AM, Alban Hertroys <haramrae(at)gmail(dot)com> wrote:
>
> > On 11 Mar 2017, at 10:41, Alexander Farber <alexander(dot)farber(at)gmail(dot)com>
> wrote:
> > uid integer NOT NULL REFERENCES words_users(uid) CHECK (uid <>
> author) ON DELETE CASCADE,
>
>
> You put your CHECK constraint definition smack in the middle of the FK
> constraint definition, which starts with REFERENCES and ends with the
> delete CASCADE.
>
>
you are both correct!